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- #include <stdio.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
-
- #define LISTEN_PORT 11221
-
- int main() {
- char buf[64];
-
- int sock;
- int peersock;
- struct sockaddr_in my_addr;
- int reuse = 1;
-
- if((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
- perror("socket");
- return(1);
- }
-
- if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse)) == -1) {
- perror("setsockopt");
- return(1);
- }
-
- memset(&my_addr, 0, sizeof(my_addr));
- my_addr.sin_family = AF_INET;
- my_addr.sin_port = htons(LISTEN_PORT);
- if(bind(sock, (struct sockaddr *)&my_addr, sizeof(my_addr)) == -1) {
- perror("bind");
- return(1);
- }
-
- if(listen(sock, 5) == -1) {
- perror("listen");
- return(1);
- }
-
- if((peersock = accept(sock, NULL, 0)) == -1) {
- perror("accept");
- return(1);
- }
-
- if(read(peersock, buf, 4096) == -1) {
- perror("read");
- return(1);
- }
-
- return(0);
- }
-